Preparation of Hydrogen from Cold Water and Metals
Which of the ...
Question
Which of the following metal catches fire when reacts with water?
A
Iron
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B
Copper
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C
Sodium
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D
Magnesium
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Solution
The correct option is CSodium Sodium reacts with water to form hydrogen gas and sodium hydroxide solution. Due to the heat evolved in this reaction the hydrogen gas catches fire and burns.